Benedetto Marcello

The opera is set in Venice in 1727. In the house of Marcello, a musician and poet, two of his pupils Rosana and Faustina wait for their teacher who is late for their singing lesson. Marcello at last arrives, apologises, and announces that instead of their lessons he wants them to sing for a guest of his, the famous composer Adolph Hasse, from Germany. Rosana sings first: a sad song about unrequited love. Hasse praises her warmly for singing from the heart, whereas Marcello is just puzzled by her sudden ability to find the correct tone.